rasher vs trencher

rasher

noun
  • A strip, a piece (of something, such as ham, bacon, etc). 

  • A strip of bacon; a piece of bacon. 

verb
  • To cut into rashers. 

trencher

noun
  • A plate on which food is served and/or cut. 

  • A machine for digging trenches. 

  • One who trenches; especially, one who cuts or digs ditches. 

How often have the words rasher and trencher occurred in a corpus of books? (source: Google Ngram Viewer )